Crossword Compiler - The New Puzzle wizard lets you chose the type of puzzle to make and guides you through choosing a size, which words to use, and automatically generating the puzzle.
Crosshare - Crosshare is a free web-based crossword constructor and puzzle sharing community.
Crossword Weaver - Create custom, free-form or themed, newspaper style crossword puzzles
Sympathy Crossword Construction - Feature packed tool for creating professional quality crosswords for print or the web
Beekeeper Labs CrossFire - Cross-platform tool for creating professional quality crossword puzzles
Crossword Forge - A simple to use and fast application that creates crossword and word search puzzles, all in a very interactive and enjoyable way